Shower unit



FIG. 1 is a side perspective view of a shower unit showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is an opposite side elevation view thereof.

The broken line showing the hand shower, hose and several fittings is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a shower unit, as shown and described. 